Powered by Made-in-China.com
Product profile
Customization
AvailableColor
CopperMaterial
Copper, C11000/SPHCModel NO.
C11000/SPHC/C11000Product Type
StripCarbon Content
Medium CarbonPCD
Customize as NeededET
Customize as NeededHole
Customize as NeededTransport Package
Carton, PalletSpecification
brass / steelTrademark
EstarOrigin
NingboHS Code
721260000Production Capacity
10000tons/YearsKey features
Customizable Dimensions: PCD, ET, and Hole dimensions can be customized as needed to meet specific requirements.
High Bonding Strength: Copper-steel composite material features excellent elongation and high bonding strength.
Military Grade Performance: Ideal for bullet shells and detonators with high yield, dimensional accuracy, and corrosion resistance.
Low Resistivity: Composite material offers low resistivity and high tensile strength for efficient performance.
Vacuum Annealing Process: Annealed at 650-850 C in a vacuum furnace to melt structural molecules for superior bonding.
Excellent Surface Quality: Surface quality is comparable to pure copper with a lubricating effect to reduce barrel wear.
High Production Efficiency: Continuous processing capability ensures high consistency and improved bullet production efficiency.
Versatile Material Options: Available with F11, F18, or SPHC steel base and H90 copper cladding in various configurations.
Company profile

Business Type: Manufacturer/FactoryExport Year: 2020-09-01Nearest Port: Ningbo, ShanghaiAverage Response Time: >24hTerms of Payment: LC, T/TInternational Commercial Terms(Incoterms): FOB, CIF, EXW
AI-Powered supplier vetting
SummaryNingbo Estar Metal Material Co., Ltd. is a China-based trading company established in 2020 with three employees, while the provided descriptions also present it as a research, production, and sales company for copper-clad steel, metal cups, strips, rods, tubes, special materials, molds, and military-related products. Evidence indicates access to substantial specialized equipment, two production lines, an enterprise R&D center, technical achievements, practical patents, ISO9001 and ISO14000 certifications, and production standardization practices. The supplier reports one-month off-season lead times and two-to-three-month peak-season lead times, accepts LC and T/T, and has self-operated import/export rights. However, the slices contain inconsistencies regarding company type, workforce size, R&D experience, export markets, and operational scale. After-sales capability, financial credibility, and specific customer cases are not sufficiently documented.
Supplier typeThe supplier is explicitly identified as a trading company or trading-company-type entity, legally organized as a limited company in China. Its own description additionally characterizes the business as conducting domestic R&D, production, and sales, but the legal and business-type records identify it primarily as a trading company.
CertificationsThe company description states that the enterprise technology R&D center has passed ISO9001 quality management system certification and ISO14000 environmental management system certification. It also reports production standardization and 6S management practices, providing explicit evidence of certification and management-system implementation.
R&D capabilityThe supplier reports an enterprise technology R&D center, multiple technical achievements and practical patents, specialized rolling, finishing, annealing, and straightening equipment, and a science-and-technology-focused R&D and production business. However, the reported total experience of R&D engineers is only one year, so the evidence supports the existence of innovation activity but provides limited evidence of deep R&D experience.
Production capacityThe slices list a compound rolling mill, 20-roll and six-high finishing mills, stretch-bending and straightening equipment, bell-type and continuous annealing furnaces, and two production lines. The supplier also reports one-month off-season lead times and two-to-three-month peak-season lead times, indicating stated production capacity, although the records contain inconsistencies between the three-person company profile and the broader production and quality-control claims.
Customization capabilityThe supplier explicitly states that it designs and manufactures various stamping-supporting molds and sells related production equipment and machines. Its product range includes specialized copper-clad materials, cups, strips, rods, tubes, and military stamping products, supporting customization capability for tooling and related material applications.
Product Q&A
Q:Can the dimensions be customized?
A:
Yes, PCD, ET, and Hole dimensions can be customized as needed.
Q:What are the main applications of this material?
A:
It is widely used in military products such as bullet shells and detonators due to its high strength and accuracy.
Q:What is the chemical composition of the composite?
A:
The composition is 5-20% copper and 80-95% steel, with specific grades like F11, F18, and SPHC available.
Q:How is the material prepared?
A:
It is prepared by cold rolling copper and steel strips, followed by vacuum annealing at 650-850 C.
Q:What are the mechanical properties?
A:
Tensile strength ranges from 265 to 455 MPa with elongation up to 43% depending on the grade.
Send Inquiry
*To:
Ningbo Estar Metal Material Co., Ltd.
Ningbo Estar Metal Material Co., Ltd.*Content:
Supplier replies will be sent to your registered email
You may also like
Copper Bar and Rod Beryllium Copper Bronze Alloy Supply
US$1.20-1.60
100 kg(MOQ)
Gun Metal SAE 62 Copper Alloy for Bearings, Bushings
US$8,600.00-13,934.00
1 Ton(MOQ)
C90500 Tin Bronze Copper Alloy Gun Metal SAE62
US$8,600.00-13,934.00
1 Ton(MOQ)
Silicon Bronze Welding Wires Ercusi-a, Cusi3mn1, C65600 Joining and Repairing Copper
US$15.00-18.00
10 kg(MOQ)
C90500 Tin Bronze Copper Alloy Gun Metal Round Bar
US$8,600.00-13,934.00
1 Ton(MOQ)
C90500 Tin Bronze Gun Metal SAE 62 Copper Alloy CDA 905
US$8,600.00-13,934.00
1 Ton(MOQ)
C17200 Forging Beryllium Copper / Hardness Beryllium Copper
US$23.00-30.00
1 Ton(MOQ)
Uns C10100-Oxygen-Free Electronic Copper En-Cw004A for Vacuum Devices
US$12.90-14.00
10 kg(MOQ)
C17510 Copper-Cobalt-Nickel Beryllium Copper for Instrument Parts, Connectors, Heavy Duty
US$28.00-30.00
10 kg(MOQ)
C17200 C17500 Beryllium Copper for Mould
US$23.00-30.00
1 Ton(MOQ)
Best Quality C17510 Copper Alloy Captip
US$13.00-14.00
10 kg(MOQ)
Customized ASTM C17200 C17000 Becu Beryllium Copper Chunk
US$23.00-30.00
1 Ton(MOQ)
Oxygen-Free Tu1 Copper Ingot 1kg Polished Surface Craft Customized Copper Ingot
US$25.80-26.00
10 Pieces(MOQ)
Beryllium Copper Bar Stock for Precision Machining Parts
US$1.00-1.40
100 kg(MOQ)
C70600 B10 Copper Tube Pipe Anti-Biofouling Marine Heat Exchanger
US$10.00-25.00
1 kg(MOQ)
C10400 Round Solid Brass Bar/Rod Copper Alloy Welding Cold Rolled
US$6,500.00-7,000.00
1 Ton(MOQ)
999 9999 Fine Copper Buffalo Coin 10 Oz Pure Copper American Bison Collectible
US$22.00-25.00
10 Pieces(MOQ)
1oz 5oz 10oz. 999 Fine Copper
US$4.50-5.60
1 Piece(MOQ)
High Conductivity Copper Alloy Rod for Electrical Components
US$1.00-1.40
100 kg(MOQ)


















